A regio- and stereoselective synthesis of substituted piperidones
✍ Scribed by Philippe Bayard; Léon Ghosez
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- French
- Weight
- 177 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
The new activated 2-aza-1,3-dienes 1 are readily prepared by acylation of N-tri-methylsilylimines 3. They react with electrophilic olefins to yield substituted piperidones 4 _ and 6 with high diastereoselectivity.
📜 SIMILAR VOLUMES
## Abstract A general and efficient procedure for the synthesis of __N__‐aryl‐substituted 4‐piperidones was developed. The two step syntheses proceeded with an overall yield of 60%‐83% using __L__‐proline as the ligand for the Cu(I)‐catalyzed Ullmann amination followed by subsequent hydrolysis of r
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